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Stamenkovski, Sasha; Zajkov, Oliver – European Journal of Physics Education, 2014
This research is conducted among 65 seventh graders (12-14 years old) who attend introductory course on physics. Tests and interviews are used to trace the roots of the students' misconceptions about mass. Results from the research reveal serious weaknesses in students' understanding of concept of mass, and its confusion with concepts of density…
Descriptors: Grade 7, Introductory Courses, Physics, Science Instruction
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Ajredini, Fadil; Izairi, Neset; Zajkov, Oliver – European Journal of Physics Education, 2014
This research investigates the influence of computer simulations (virtual experiments) on one hand and real experiments on the other hand on the conceptual understanding of electrical charging. The investigated sample consists of students in the second year (10th grade) of three gymnasiums in Macedonia. There were two experimental groups and one…
Descriptors: Science Instruction, Physics, High School Students, Secondary School Science
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Zajkov, Oliver; Mitrevski, Boce – European Journal of Physics Education, 2012
Students have problems with understanding, using and interpreting graphs. In order to improve the students' skills for working with graphs, we propose Manual Video Measurement (MVM). In this paper, the MVM method is explained and its accuracy is tested. The comparison with the standardized video data software shows that its accuracy is comparable…
Descriptors: Science Instruction, Video Technology, Computer Software, Physics